Function: Professional extension tube set, design for Nikon DSLR camera and lens coupling to: maintain auto focus and TTL auto exposure with most lenses compatible with camera: nikon d7100 d90 d7000 d5200 d3200 d5300 d3100 d3300 d5100 d610 d200 AF extension tube set: can transform customer's Nikon lens into DSLR body Бренд: Meike